diff options
Diffstat (limited to 'usr/src/lib/libadm/common/ckuid.c')
| -rw-r--r-- | usr/src/lib/libadm/common/ckuid.c | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/usr/src/lib/libadm/common/ckuid.c b/usr/src/lib/libadm/common/ckuid.c new file mode 100644 index 0000000000..a185a19193 --- /dev/null +++ b/usr/src/lib/libadm/common/ckuid.c @@ -0,0 +1,196 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ +/* All Rights Reserved */ + + +/* + * Copyright (c) 1997, by Sun Microsystems, Inc. + * All rights reserved. + */ + +#pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.2 */ +/*LINTLIBRARY*/ + +#include <sys/types.h> +#include <stdio.h> +#include <string.h> +#include <ctype.h> +#include <pwd.h> +#include <stdlib.h> +#include <limits.h> +#include "libadm.h" + +#define PROMPT "Enter the login name of an existing user" +#define MESG "Please enter the login name of an existing user." +#define ALTMESG "Please enter one of the following login names:\\n\\t" +#define MALSIZ 64 + +#define DELIM1 '/' +#define BLANK ' ' + +static char * +setmsg(int disp) +{ + struct passwd + *pwdptr; + int count; + size_t n, m; + char *msg; + + if (disp == 0) + return (MESG); + + m = MALSIZ; + n = sizeof (ALTMESG); + msg = (char *) calloc(m, sizeof (char)); + (void) strcpy(msg, ALTMESG); + + setpwent(); + count = 0; + while (pwdptr = getpwent()) { + n += strlen(pwdptr->pw_name) + 2; + while (n >= m) { + m += MALSIZ; + msg = (char *) realloc(msg, m*sizeof (char)); + } + if (count++) + (void) strcat(msg, ", "); + (void) strcat(msg, pwdptr->pw_name); + } + endpwent(); + return (msg); +} + +int +ckuid_dsp(void) +{ + struct passwd *pwdptr; + + /* if display flag is set, then list out passwd file */ + if (ckpwdfile() == 1) + return (1); + setpwent(); + while (pwdptr = getpwent()) + (void) printf("%s\n", pwdptr->pw_name); + endpwent(); + return (0); +} + +int +ckuid_val(char *usrnm) +{ + int valid; + + setpwent(); + valid = (getpwnam(usrnm) ? 0 : 1); + endpwent(); + return (valid); +} + +int +ckpwdfile(void) /* check to see if passwd file there */ +{ + struct passwd *pwdptr; + + setpwent(); + pwdptr = getpwent(); + if (!pwdptr) { + endpwent(); + return (1); + } + endpwent(); + return (0); +} + +void +ckuid_err(short disp, char *error) +{ + char *msg; + + msg = setmsg(disp); + puterror(stdout, msg, error); + if (disp) + free(msg); +} + +void +ckuid_hlp(int disp, char *help) +{ + char *msg; + + msg = setmsg(disp); + puthelp(stdout, msg, help); + if (disp) + free(msg); +} + +int +ckuid(char *uid, short disp, char *defstr, char *error, char *help, + char *prompt) +{ + char *defmesg, + input[MAX_INPUT]; + + defmesg = NULL; + if (!prompt) + prompt = PROMPT; + +start: + putprmpt(stderr, prompt, NULL, defstr); + if (getinput(input)) { + if (disp && defmesg) + free(defmesg); + return (1); + } + + if (!strlen(input)) { + if (defstr) { + if (disp && defmesg) + free(defmesg); + (void) strcpy(uid, defstr); + return (0); + } + if (!defmesg) + defmesg = setmsg(disp); + puterror(stderr, defmesg, error); + goto start; + } else if (strcmp(input, "?") == 0) { + if (!defmesg) + defmesg = setmsg(disp); + puthelp(stderr, defmesg, help); + goto start; + } else if (ckquit && (strcmp(input, "q") == 0)) { + if (disp && defmesg) + free(defmesg); + return (3); + } else if (ckuid_val(input)) { + if (!defmesg) + defmesg = setmsg(disp); + puterror(stderr, defmesg, error); + goto start; + } + (void) strcpy(uid, input); + if (disp && defmesg) + free(defmesg); + return (0); +} |